The Operating and Maintenance Manual for the Mechanical Specialties Model 6111 Primary Cargo Hook has seen an update that revised the formatting, provides clearer drawings, but also sees the overhaul interval increased from every 12 months to every 3 years.
The Model 6111 for the Sikorsky S61N has been in service more than 2 decades and has a solid reputation for reliability, we’re glad the new TBO is able to reflect that. See the full press release below.
FOR IMMEDIATE RELEASE: 7/12/2021
To: All S-61 Operators
From: Mechanical Specialties, LLC
MODEL 6111 CARGO HOOK TIME BETWEEN OVERHAUL (TBO) EXTENDED TO 3,000 HOURS OR THREE YEARS
Olympia, WA, July 12, 2021 – Mechanical Specialties, LLC has revised the Model 6111 Cargo Hook (STCs SR00465SE, SR01738SE, and SR01739SE) Instructions for Continued Airworthiness (ICA) to extend the Time Between Overhaul (TBO) interval from 1,000 hours / one year to 3,000 hours / three years.
This update reflects the outstanding reputation the Model 6111 has earned over decades of service and its proven track record for reliability with minimal component wear between overhauls.
The revised ICA also features updated parts lists, diagrams and reformatting for ease of readability.
This FAA approved ICA can be found on the Mechanical Specialties, LLC website: https://mechspecialties.com.
Please feel free to contact our sales team:
By email: sales@mechspecialties.com,
By phone: (360) 273-7604
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